• MAS Epoxies Colloidal Silica 1 Quart container front view high density epoxy thickener powder
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MAS Epoxies Colloidal Silica Epoxy Thickener And High Strength Structural Filler Additive For Wood Marine And Fiberglass 1 Quart

MAS Epoxies Colloidal Silica Epoxy Thickener And High Strength Structural Filler Additive For Wood Marine And Fiberglass 1 Quart

Rs. 3,869.00
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Product features

Materials and care

Fumed Silica (Colloidal Silica / Cab-O-Sil)

  • Directly Sourced From USA
  • Premium Quality & Authenticity
  • 7 Day Easy Return
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Product Description

MAS Epoxies Colloidal Silica is a high-performance fumed silica thickening additive designed to transform standard marine resin systems into versatile structural fillers. Also known as Cab-O-Sil, this high-density powder blends cleanly into both 2:1 and 5:1 epoxy resins, allowing you to easily adjust your mixture to a non-sag, putty-like consistency. It is specifically designed for boat builders, woodworkers, and composite repair technicians who need to prevent epoxy runoff on vertical or overhead surfaces. Once fully cured, it forms an extremely hard, high-density solid that drastically increases the overall bond strength of joints. Perfect for structural bonding, heavy-duty gap filling, and creating robust fillets along seams, this industrial-grade additive ensures your repairs withstand high-stress environments and water exposure. It offers an indefinite shelf life when stored properly, making it an essential workshop staple for reliable fiberglass fabrication and wood restoration projects.

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FAQ

Q1. What specific material are you bonding or repairing with colloidal silica?

Ans: This thickening agent is highly versatile and primarily engineered for structural bonding and filling on wood, fiberglass, and marine composites. It works seamlessly across various woodworking and boat repair materials to create high-strength bonds.

Q2. Are you looking to do a structural bond or a cosmetic finish?

Ans: MAS Colloidal Silica is designed specifically for structural bonding, gap filling, and filleting due to the immense strength and hardness it adds to cured epoxy. Because it cures into an extremely tough solid that is difficult to sand, cosmetic finishes or fairing are better achieved by blending it with phenolic microballoons.

Q3. Can I use Cab-O-Sil for non-epoxy materials?

Ans: While fumed silica can be used as a general thickening agent in certain industrial applications, it is specifically optimized and widely used for mixing with liquid epoxy resin systems. It alters the viscosity of marine epoxies perfectly without interfering with their curing properties.

Q4. Is this MAS Epoxies Colloidal Silica authentic and imported to India?

Ans: Yes, this product is a 100% authentic USA import. Rudra Retails sources genuine MAS Epoxies products directly from authorized suppliers in the United States, delivering them safely to your doorstep in India in their original factory packaging.

Q5. What is the shelf life of this structural filler powder?

Ans: This colloidal silica powder boasts an indefinite shelf life. As long as it is stored in its original container in a cool, dry place and kept free from moisture contamination, the powder will remain perfectly usable for years.